
package com.zsrt.jmj.utils;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import com.google.gson.Gson;

public class GsonUtil {

	public static void printJson(HttpServletResponse response,Map<String , Object> map) throws IOException{
		
		//1 设置乱码问题 过滤器
		response.setContentType("application/json; charset=utf-8");  

		//2 得到打印流
		PrintWriter writer =response.getWriter();

		Gson json = new Gson();
		String jsonData = json.toJson(map);
		//3 在流中添加json格式的字符串  Gson
		writer.append(jsonData);

		//4 关闭流
		writer.close();
	}
}
